<!DOCTYPE html>
<html lang="en">
<head>
	<meta charset="UTF-8">
	<title>Document</title>
	<style>
		body{
			background: url(/imgs/bj.jpg) no-repeat;
            background-size:cover;
		}
		div{
			height:300px;
			width:600px;
			line-height:300px;
			margin:0px auto;
			text-align:center;
			font-size:30px;
			position: relative;
			top:90px;

		}
	</style>
</head>
<body>
	<div><h1>
		<font color="red">操作失败</font>
	</h1></div>
</body>
</html>